Please put it into water for about 2 mins before you use and sharpen your knife or any other tool with enough water inside.
Firstly, sharpen by GC#250 (Green) and then finish by KING Delux #1000(Brown).
Do Not drop, throw or hit it or it will be broken.
Please set it in unmoved condition and follow proper instructions.
Please take care of the blade of your knife while sharpening.